code: def __init__(self, opt):
      super(MockModel, self).__init__(opt)
  
file_path: torch-points3d/test/mock_models.py
imports: from torch_points3d.models.base_model import BaseModel
  from torch import nn
label_desc: Use image node_id 1 to create a new MockModel object from inherited base classes: BaseModel with example: obj = MockModel(opt)